/**
 * Copyright (c) 2016-2019 人人开源 All rights reserved.
 * <p>
 * https://www.renren.io
 * <p>
 * 版权所有，侵权必究！
 */

package io.renren.modules.oss.controller;

import com.google.gson.Gson;
import io.renren.common.exception.RRException;
import io.renren.common.utils.ConfigConstant;
import io.renren.common.utils.Constant;
import io.renren.common.utils.PageUtils;
import io.renren.common.utils.R;
import io.renren.common.validator.ValidatorUtils;
import io.renren.common.validator.group.AliyunGroup;
import io.renren.common.validator.group.QcloudGroup;
import io.renren.common.validator.group.QiniuGroup;
import io.renren.modules.oss.cloud.CloudStorageConfig;
import io.renren.modules.oss.cloud.OSSFactory;
import io.renren.modules.oss.entity.SysOssEntity;
import io.renren.modules.oss.service.SysOssService;
import io.renren.modules.sys.service.SysConfigService;
import org.apache.shiro.authz.annotation.RequiresPermissions;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import java.util.Arrays;
import java.util.Date;
import java.util.Map;

/**
 * 文件上传
 * @author Mark sunlightcs@gmail.com
 */
@RestController
@RequestMapping ("sys/oss")
public class SysOssController {
	@Autowired
	private SysOssService sysOssService;
	@Autowired
	private SysConfigService sysConfigService;
	
	private final static String KEY = ConfigConstant.CLOUD_STORAGE_CONFIG_KEY;
	
	/**
	 * 列表
	 */
	@GetMapping ("/list")
	@RequiresPermissions ("sys:oss:all")
	public R list(@RequestParam Map<String, Object> params) {
		PageUtils page = sysOssService.queryPage(params);
		
		return R.ok().put("page", page);
	}
	
	/**
	 * 云存储配置信息
	 */
	@GetMapping ("/config")
	@RequiresPermissions ("sys:oss:all")
	public R config() {
		CloudStorageConfig config = sysConfigService.getConfigObject(KEY, CloudStorageConfig.class);
		
		return R.ok().put("config", config);
	}
	
	/**
	 * 保存云存储配置信息
	 */
	@PostMapping ("/saveConfig")
	@RequiresPermissions ("sys:oss:all")
	public R saveConfig(@RequestBody CloudStorageConfig config) {
		//校验类型
		ValidatorUtils.validateEntity(config);
		
		if (config.getType() == Constant.CloudService.QINIU.getValue()) {
			//校验七牛数据
			ValidatorUtils.validateEntity(config, QiniuGroup.class);
		} else if (config.getType() == Constant.CloudService.ALIYUN.getValue()) {
			//校验阿里云数据
			ValidatorUtils.validateEntity(config, AliyunGroup.class);
		} else if (config.getType() == Constant.CloudService.QCLOUD.getValue()) {
			//校验腾讯云数据
			ValidatorUtils.validateEntity(config, QcloudGroup.class);
		}
		
		sysConfigService.updateValueByKey(KEY, new Gson().toJson(config));
		
		return R.ok();
	}
	
	/**
	 * 上传文件
	 */
	@PostMapping ("/upload")
	@RequiresPermissions ("sys:oss:all")
	public R upload(@RequestParam ("file") MultipartFile file) throws Exception {
		if (file.isEmpty()) {
			throw new RRException("上传文件不能为空");
		}
		
		//上传文件
		String suffix = file.getOriginalFilename().substring(file.getOriginalFilename().lastIndexOf("."));
		String url = OSSFactory.build().uploadSuffix(file.getBytes(), suffix);
		
		//保存文件信息
		SysOssEntity ossEntity = new SysOssEntity();
		ossEntity.setUrl(url);
		ossEntity.setCreateDate(new Date());
		sysOssService.save(ossEntity);
		
		return R.ok().put("url", url);
	}
	
	/**
	 * 删除
	 */
	@PostMapping ("/delete")
	@RequiresPermissions ("sys:oss:all")
	public R delete(@RequestBody Long[] ids) {
		sysOssService.removeByIds(Arrays.asList(ids));
		
		return R.ok();
	}
	
}
